CaratHunter
Plans
Round|Lab Grown|GIA

0.50ct I SI1 Round Lab Grown Diamond

GD • I/SI1 • GIA 5386262934

Certificate GIA 5386262934

Diamond specifications and retailer prices

From £378 GBP
As of October 31, 2026
Save £329 GBP (46%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: £707 GBP at MOH London · As of October 29, 2026
View at MOH London

About this 0.5ct lab-grown round diamond

This 0.5ct lab-grown round sits in the half to three-quarter carat band, graded I colour (near-colourless) and SI1 clarity (slightly-included), with a standard cut grade and certified by GIA 5386262934. Listed at 3 retailers as of October 29, 2026, with prices from £378 to £707, a £329 spread on the same certified stone. MOH London lists it at £707. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

0.50
Carat
I
Colour
SI1
Clarity
Good
Cut

Specifications

CutGood
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginLab Grown
Grading LabGIA
CertificateGIA 5386262934
Dimensions4.88 × 4.95 × 3.18 mm
L/W Ratio1.01
Top View
4.88 mm4.95 mm0.50 ctI / SI1
OriginLab Grown
CutGood
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 5386262934
Side View
Table 57.0%CrownGirdlePavilionCulet: Very SmallDepth 64.7%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: £707 GBP|Low: £363 GBP|High: £720 GBP|Avg: £523 GBP|+1.6%
MOH London
Retailer 2
Retailer 3
October 31, 2026
Retailer 2£378 GBP
Retailer 3£473 GBP
MOH London£707 GBP

42 data points across 3 retailers

3 retailers£378 GBP to £707 GBP

B+
Cheapest Retailer
-
£378 GBP
B
Retailer 2
-
£473 GBP
€603 EUR
View
Most Expensive
B
MOH London
0EAD6BF66 · Oct 29
£707 GBP
View
2 more retailers have this diamond
Prices start from £378 GBPSave up to £329 GBP

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

B+
0.50ct Round
£378 GBP